How to make this code work

[OwlCodes (Owl)]

function AddForce(Proton, Neutron)
	local LineForce = Instance.new("LineForce", Proton)
	local att0 = Instance.new("Attachment", Proton)
	local att1 = Instance.new("Attachment", Neutron)
	att0.Name = "Attachment0"
	att1.Name = "Attachment1"
	LineForce.InverseSquareLaw = true
	LineForce.ReactionForceEnabled = true
	LineForce.ApplyAtCenterOfMass = true
	LineForce.Magnitude = Proton:GetMass()
	LineForce.Attachment0 = att0
	LineForce.Attachment1 = att1
end

function ReturnAllNeutronsAttached(Proton)
	
	local NeutronsAttached = {}
	
	for i,v in pairs(Proton:GetChildren()) do
		if v:IsA("LineForce") then
			table.insert(NeutronsAttached, v.Attachment1.Parent)
		end
	end
	
	return NeutronsAttached
end

script.Parent.Touched:Connect(function(hit)
	local Proton = script.Parent
	local LineForce = Proton:FindFirstChild("LineForce")
	
	if hit.Name == "Neutron" and LineForce then
		local Neutron = hit
		
		local CurrentNeutrons = ReturnAllNeutronsAttached(Proton)
		
		if table.find(CurrentNeutrons, Neutron) then
			
		else
			AddForce(Proton, Neutron)
		end
		
	else
		if hit.Name == "Neutron" then
			local Neutron = hit
			AddForce(Proton, Neutron)
		end
	end
end)